According to Statista.com, the average price of a ticket to a Broadway show in 2017 was $109.21.
Question:
According to Statista.com, the average price of a ticket to a Broadway show in 2017 was $109.21. A random sample of 25 Broadway ticket prices in 2018 had a sample mean of $114.7 with a standard deviation of $43.3.
a. Do we have evidence that Broadway ticket prices changed from 2017 prices? Use a significance level of 0.05.
b. Construct a 95% confidence interval for the price of a Broadway ticket. How does your confidence interval support your conclusion in part a?
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Related Book For
Introductory Statistics Exploring The World Through Data
ISBN: 9780135163146
3rd Edition
Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan
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